CN203983116U - A kind of isolating switch - Google Patents
A kind of isolating switch Download PDFInfo
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- CN203983116U CN203983116U CN201420384380.9U CN201420384380U CN203983116U CN 203983116 U CN203983116 U CN 203983116U CN 201420384380 U CN201420384380 U CN 201420384380U CN 203983116 U CN203983116 U CN 203983116U
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- disconnecting link
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- connecting rod
- supporting seat
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Abstract
The utility model relates to high-voltage switch gear technical field, provide a kind of rational in infrastructure, easy and simple to handle, reduce blade and static contact wearing and tearing, reduce the isolating switch of fault, comprise several insulating supporting seats, several insulation columns, several static contacts and holder thereof, several isolate blade, several isolation rotating shaft and drive mechanisms, described in each, insulating supporting seat is individually fixed on insulation column, each static contact is fixed on insulating supporting seat, described in each, isolate blade by rotating separating brake/close a floodgate on static contact, described in each, isolating blade includes for clamping movable disconnecting link and the static disconnecting link of static contact, described in each, between movable disconnecting link and static disconnecting link, be equipped with several fastening springs, described in each, fastening spring is all located between movable disconnecting link and static disconnecting link by guide rod, on described insulating supporting seat, be also provided with the clamping device that some driving activity disconnecting links move, described in each, drive mechanism and clamping device are electrically connected on respectively control system.
Description
Technical field
The utility model relates to high-voltage switch gear field, particularly a kind of isolating switch.
Background technology
Isolating switch is important device for switching in power plant and transformer station's electrical system, its major function is: guarantee High-Voltage Electrical Appliances and the safety of device when service work, play isolation voltage, when isolating, contacting of blade and static contact is not tight, be easy to cause contact resistance to increase, and then cause fault, so need clamping device, will isolate blade and static contact, what the clamping device of prior art adopted conventionally is the structure of spring, its two movable contact knife plates form, one end of two movable contact knife plates and upper static contact are hinged, the other end passes through spring, nut, screw rod connects, and with upper static contact seat clamping.During combined floodgate, two movable touch knife boards are connected on lower static contact, by spring force, are compressed; During disconnection, directly two movable contact knife plates at this place are pulled out from upper static contact seat, but due to when closing a floodgate, between two movable contact knife plates and upper static contact seat, with spring pre-tightening pressure, compress, when needs disconnect, the slip between two movable contact knife plates and upper static contact seat can produce frictional force; So on the one hand, operating physical force spent when switch is disconnected is very large, especially, in the situation that the contact area between upper static contact seat and movable contact knife plate increases, is easy to occur that movable contact knife plate can not pull situation about coming; On the other hand, service time one is long, between movable contact knife plate and upper static contact seat, can produce excessive wear, thereby shortens the useful life of switch.
Utility model content
Therefore, for above-mentioned problem, the utility model provide a kind of rational in infrastructure, easy and simple to handle, reduce the wearing and tearing of blade and static contact, reduce the isolating switch of fault.
For realizing above-mentioned technical problem, the solution that the utility model is taked is: a kind of isolating switch, comprise several insulating supporting seats, several insulation columns, several static contacts and holder thereof, several isolate blade, several isolation rotating shaft and drive mechanisms, described in each, insulating supporting seat is individually fixed on insulation column, each static contact is fixed on insulating supporting seat by holder, described in each, isolate that blade is articulated with respectively on insulating supporting seat by isolation rotating shaft and drive and isolate blade rotation separating brake/close a floodgate on static contact by drive mechanism, described in each, isolating blade includes for clamping movable disconnecting link and the static disconnecting link of static contact, described in each, between movable disconnecting link and static disconnecting link, be equipped with several fastening springs, described in each, fastening spring is all located between movable disconnecting link and static disconnecting link by guide rod, on described insulating supporting seat, be also provided with the clamping device that some driving activity disconnecting links move, described insulating supporting seat inside is also provided with control system, described in each, drive mechanism and clamping device are electrically connected on respectively control system.
Further improved: described clamping device comprises lock cam, decelerator, clamping motor and pressure sensor, described motor is fixed on supporting seat by support, described clamping motor is connected in decelerator, described decelerator is connected in lock cam, described lock cam is located at decelerator side and by rotation, is pushed the disconnecting link that innervates and compress/discharge fastening spring, described pressure sensor is located on movable disconnecting link, and described pressure sensor and clamping motor are connected to control system.
Further improved: described drive mechanism comprises driving motor, isolated operation axle, insulated connecting rod I, insulated connecting rod II, insulated connecting rod III, steady pin and dielectric pin, described driving motor connects by isolated operation axle and drives insulated connecting rod III, described insulated connecting rod III is hinged and drive insulated connecting rod II by steady pin, described insulated connecting rod II is hinged and drive insulated connecting rod I by dielectric pin, described insulated connecting rod I is hinged and drive isolation blade rotation separating brake/close a floodgate on static contact, and described driving motor is connected in control system.
Further improved: on described movable disconnecting link, static disconnecting link and static contact, to be equipped with antioxidation coating.
By adopting aforementioned techniques scheme, the beneficial effects of the utility model are: isolation blade of the present utility model comprises movable disconnecting link and static disconnecting link, insulating supporting seat is provided with clamping device control activity disconnecting link, when making to close a floodgate, isolate blade and can clamp static contact, reach the effect of the unlikely fault of protective separation switch, during separating brake, friction is very little, easily pull out and the disconnecting link that can not wear and tear, and then the life-span of growth isolating switch, and control to clamping device and drive mechanism time by control system, during combined floodgate, control drive mechanism and will isolate the blade static contact that closes a floodgate, and then control clamping device clamps, easily and effectively, simultaneously, clamping device adopts clamping motor to drive lock cam, clamping motor connection control system, movable disconnecting link is provided with pressure sensor, during combined floodgate, thereby clamping motor drives lock cam protuberance to movable disconnecting link extruding, movable disconnecting link inwardly to be clamped, when pressure sensor sensed pressure is to set point, clamping motor is accepted control signal, control system is controlled the clamping motor clamping that stopped operating, during separating brake, control system is controlled cam again and is turned to pressure sensor and sense after set point, intelligent and high-efficiency and easy to operate.
Accompanying drawing explanation
Structural representation when Fig. 1 is the utility model embodiment isolating switch combined floodgate;
Structural representation when Fig. 2 is the utility model embodiment isolating switch separating brake;
Clamping device structural representation when Fig. 3 is the utility model embodiment isolating switch separating brake;
Clamping device structural representation when Fig. 4 is the utility model embodiment isolating switch combined floodgate;
Fig. 5 is the phantom of the utility model embodiment;
Fig. 6 is the enlarged drawing of I part in Fig. 1.
Embodiment
Now with specific embodiment, the utility model is further illustrated by reference to the accompanying drawings.
With reference to figure 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of isolating switch, comprise three insulating supporting seats 1, three insulation columns 2, three static contacts 3 and holder 4 thereof, three isolation blades 5, isolation rotating shaft 6, control system (not shown), drive mechanism and three clamping devices, the corresponding syndeton of each isolating switch is identical and each isolation blade coaxial rotation all, now take single isolating switch as example explanation: described insulating supporting seat 1 is fixed on insulation column 2, static contact 3 is fixed on insulating supporting seat 1 by holder 4, described isolation blade 5 is articulated with respectively on insulating supporting seat 1 by isolation rotating shaft 6 and drives isolation blade 5 rotation separating brakes/close a floodgate on static contact 3 by drive mechanism, described isolation blade 5 comprises for clamping movable disconnecting link 51 and the static disconnecting link 52 of static contact, between described movable disconnecting link 51 and static disconnecting link 52, be provided with several fastening springs 53, described in each, fastening spring 53 is all located between movable disconnecting link 51 and static disconnecting link 52 by guide rod, described insulating supporting seat 1 is also connected with the clamping device of Compressive activities disconnecting link activity by support, described clamping device comprises lock cam 54, decelerator 55, clamping motor 56 and pressure sensor, described clamping motor 56 is connected in decelerator 55, described decelerator 55 is connected in lock cam 54, described lock cam 54 is located at decelerator 1 side and is pushed by rotation disconnecting link 51 compressions/release fastening spring 53 that innervates, described pressure sensor is located on movable disconnecting link 51, described pressure sensor and clamping motor 56 are connected to control system, described drive mechanism comprises driving motor, isolated operation axle 71, insulated connecting rod I 72, insulated connecting rod II 73, insulated connecting rod III 74, steady pin 75 and dielectric pin 76, described motor connects by isolated operation axle 71 and drives insulated connecting rod III 74, described insulated connecting rod III 74 is hinged and drive insulated connecting rod II 73 by steady pin 75, described insulated connecting rod II 73 is hinged and drive insulated connecting rod I 72 by dielectric pin 76, described insulated connecting rod I 72 is hinged and drive isolation blade 5 to rotate separating brakes/close a floodgate on static contact 3, described driving motor is connected in control system, described movable disconnecting link 51, on static disconnecting link 52 and static contact 3, be equipped with antioxidation coating, thereby can prevent and treat the oxidized contact resistance that causes of contact increases, during combined floodgate, control system is controlled driving motor and is driven isolated operation axle 71 to rotate, thereby drive insulated connecting rod III 74 to move up and down, drive again insulated connecting rod II 73 to rotate to be arranged on insulating supporting seat 1 steady pin 75, finally drive insulated connecting rod I 72 to drive isolation blade 5 to turn to static contact 3 and be connected around isolation rotation axis 6, control system is controlled clamping motor 56 rotations afterwards, thereby clamping motor 56 drives lock cam 54 protuberances to movable disconnecting link 51 extruding, movable disconnecting link 51 inwardly to be clamped, when pressure sensor sensed pressure is to set point, clamping motor 56 is accepted the control signal clamping that stopped operating, otherwise, during separating brake, be also in like manner.
By adopting aforementioned techniques scheme, isolation blade of the present utility model comprises movable disconnecting link and static disconnecting link, movable side is provided with clamping device control activity disconnecting link, when making to close a floodgate, isolate blade and can clamp static contact, reach the effect of the unlikely fault of protective separation switch, during separating brake, friction is very little, easily pull out and the disconnecting link that can not wear and tear, and then the life-span of growth isolating switch, and control to clamping device and drive mechanism time by control system, during combined floodgate, control drive mechanism isolation blade is incorporated into static contact, and then control clamping device clamps, easily and effectively, simultaneously, clamping device adopts clamping motor to drive lock cam, clamping motor connection control system, movable disconnecting link is provided with pressure sensor, during combined floodgate, thereby clamping motor drives lock cam protuberance to movable disconnecting link extruding, movable disconnecting link inwardly to be clamped, when pressure sensor sensed pressure is to set point, clamping motor is accepted control signal, control system is controlled the clamping motor clamping that stopped operating, during separating brake, control system is controlled cam again and is turned to pressure sensor and sense after set point, the probability that intelligent and high-efficiency and minimizing fault occur.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; but within not departing from the category of the present utility model that appended claims limits; can make a variety of changes the utility model in the form and details, be protection range of the present utility model.
Claims (4)
1. an isolating switch, comprise several insulating supporting seats, several insulation columns, several static contacts and holder thereof, several isolate blade, several isolation rotating shaft and drive mechanisms, described in each, insulating supporting seat is individually fixed on insulation column, each static contact is fixed on insulating supporting seat by holder, described in each, isolate that blade is articulated with respectively on insulating supporting seat by isolation rotating shaft and drive and isolate blade rotation separating brake/close a floodgate on static contact by drive mechanism, it is characterized in that: described in each, isolate blade and include for clamping movable disconnecting link and the static disconnecting link of static contact, described in each, between movable disconnecting link and static disconnecting link, be equipped with several fastening springs, described in each, fastening spring is all located between movable disconnecting link and static disconnecting link by guide rod, on described insulating supporting seat, be also provided with the clamping device that some driving activity disconnecting links move, described insulating supporting seat inside is also provided with control system, described in each, drive mechanism and clamping device are electrically connected on respectively control system.
2. isolating switch according to claim 1, it is characterized in that: described clamping device comprises lock cam, decelerator, clamping motor and pressure sensor, described motor is fixed on supporting seat by support, described clamping motor is connected in decelerator, described decelerator is connected in lock cam, described lock cam is located at decelerator side and by rotation, is pushed the disconnecting link that innervates and compress/discharge fastening spring, described pressure sensor is located on movable disconnecting link, and described pressure sensor and clamping motor are connected to control system.
3. isolating switch according to claim 1, it is characterized in that: described drive mechanism comprises driving motor, isolated operation axle, insulated connecting rod I, insulated connecting rod II, insulated connecting rod III, steady pin and dielectric pin, described driving motor is located in insulating supporting seat, described driving motor connects by isolated operation axle and drives insulated connecting rod III, described insulated connecting rod III is hinged and drive insulated connecting rod II by steady pin, described insulated connecting rod II is hinged and drive insulated connecting rod I by dielectric pin, described insulated connecting rod I is hinged and drive isolation blade rotation separating brake/close a floodgate on static contact, described driving motor is connected in control system.
4. isolating switch according to claim 1, is characterized in that: on described movable disconnecting link, static disconnecting link and static contact, be equipped with antioxidation coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384380.9U CN203983116U (en) | 2014-07-14 | 2014-07-14 | A kind of isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384380.9U CN203983116U (en) | 2014-07-14 | 2014-07-14 | A kind of isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203983116U true CN203983116U (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420384380.9U Active CN203983116U (en) | 2014-07-14 | 2014-07-14 | A kind of isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203983116U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878206A (en) * | 2018-07-24 | 2018-11-23 | 青岛特锐德电气股份有限公司 | Disconnecting switch |
| CN117936316A (en) * | 2024-02-29 | 2024-04-26 | 昆山盛英电气有限公司 | Smart power grid mechanical interlocking switching-on high-voltage cabinet based on five-prevention standard and switching-on method thereof |
-
2014
- 2014-07-14 CN CN201420384380.9U patent/CN203983116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108878206A (en) * | 2018-07-24 | 2018-11-23 | 青岛特锐德电气股份有限公司 | Disconnecting switch |
| CN117936316A (en) * | 2024-02-29 | 2024-04-26 | 昆山盛英电气有限公司 | Smart power grid mechanical interlocking switching-on high-voltage cabinet based on five-prevention standard and switching-on method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Tongan District of Xiamen City, Fujian province 361000 Ring Road East Sea Industrial Park No. 41 Meixi Lake plant Patentee after: SUCTRN TECHNOLOGY CO., LTD. Address before: Tongan District of Xiamen City, Fujian province 361000 Ring Road East Sea Industrial Park No. 41 Meixi Lake plant Patentee before: Xiamen Xiecheng Industrial Co., Ltd. |